NATURAL FAMILY PLANNING A GUIDE TO PROVISION OF SERVICES
1988 年出版82 页ISBN:9241542411
A MATHEMATICAL TREATMENT OF DYNAMICAL MODELS IN BIOLOGICAL SCIENCE
1991 年出版183 页ISBN:0132217716
TRADE AND TRANSITIONS:A COMPARATIVE ANALYSIS OF ADJUSTMENT POLICIES
1990 年出版277 页ISBN:0415049776
BODY AND BRAIN A TROPHIC THEORY OF NEURAL CONNECTIONS
1988 年出版232 页ISBN:0674077156